The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 25, 2016
Filed:
Apr. 30, 2008
Kenichi Uemura, Tokyo, JP;
Tadashi Sakon, Tokyo, JP;
Eiichi Kuboyama, Tokyo, JP;
Daisuke Sawada, Tokyo, JP;
Kenichi Uemura, Tokyo, JP;
Tadashi Sakon, Tokyo, JP;
Eiichi Kuboyama, Tokyo, JP;
Daisuke Sawada, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
The present invention provides a method of cleaning steel sheet, said method of cleaning steel sheet feeding a cleaning solution activated by ultrasonic waves of a frequency of 0.8 MHz to 3 MHz to a surface of steel sheet at an angle inclined by 1 to 80° with respect to a line perpendicular to the surface of the steel sheet in a direction opposite to the running direction, thereby enabling megasonic waves to be applied to cleaning of running steel sheet and improving the cleaning effect and cleaning speed, and a continuous cleaning system of steel sheet.